Giganto Granite Co$.$ entered into a contract with Lundy Landholdings Corp. for the sale of its mineral holdings. The transaction is beyond Giganto's powers. Which of the following parties, for the reason stated, may properly assert the lack of powers in order to challenge and try to stop or undo the sale?

Lundy Landholdings Corp.

Giganto Granite Co$.,$ but only to change the terms of the contract $($not stop or undo the sale$).$

Lundy Landholdings Corp., but only to change the terms of the contract $($not stop or undo the sale$).$

A shareholder of Giganto Granite Co$.$

Giganto Granite Co$.$